106930181 has 8 divisors (see below), whose sum is σ = 109519704. Its totient is φ = 104371200.

The previous prime is 106930169. The next prime is 106930193. The reversal of 106930181 is 181039601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (106930169) and next prime (106930193).

It can be written as a sum of positive squares in 4 ways, for example, as 3724900 + 103205281 = 1930^2 + 10159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106930181 - 2¹⁴ = 106913797 is a prime.

It is a super-2 number, since 2×106930181² = 22868127217385522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106930141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470 + ... + 14631.

It is an arithmetic number, because the mean of its divisors is an integer number (13689963).

Almost surely, 2^106930181 is an apocalyptic number.

It is an amenable number.

106930181 is a deficient number, since it is larger than the sum of its proper divisors (2589523).

106930181 is an equidigital number, since it uses as much as digits as its factorization.

106930181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15271.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 106930181 is about 10340.7050533317. The cubic root of 106930181 is about 474.6426579244.

Adding to 106930181 its reverse (181039601), we get a palindrome (287969782).

The spelling of 106930181 in words is "one hundred six million, nine hundred thirty thousand, one hundred eighty-one".